Patrick Moore Books

Astronomy Encyclopedia

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"The Astronomy Encyclopedia is an interstellar tour led by the acclaimed Sir Patrick Moore, England's ambassador to the night sky. In more than 3000 alphabetically organized articles and over 600 p...

Exploring the World

By Patrick Moore

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Mission to Mars

By Patrick Moore

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The domes of Mars

By Patrick Moore

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The voices of Mars

By Patrick Moore

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Captives of the moon

By Patrick Moore

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Wanderer in space

By Patrick Moore

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Crater of fear

By Patrick Moore

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Invader from space

By Patrick Moore

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Voices of Mars.

By Patrick Moore

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.